Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Efficiency of Proximity Feed Patch Antenna ?

Greetings to all of You! I have searched some research papers for the designing of a proximity coupled patch antenna. Researchers are talking about the impedance bandwidth of the antenna but...

24 February 2021 7,662 3 View

Please help in identification of this insect?

This insect is minute in size around 1 mm and not clearly visible with naked eye.

22 February 2021 5,907 11 View

What is the difference between the supplementary cementitious materials and alkali-activated concrete?

18 February 2021 9,188 3 View

What is causing the raw fluorescence to be negative?

Hi everyone, I would really appreciate it if someone can tell me when and why a raw fluorescence starts below zero. In the picture attached below the blue colour curve starts from a negative...

09 February 2021 4,642 3 View

How to match the XRD of a compound for which there is no JCPDS file ? Is there any other characterization to claim the synthesis of desired compound?

I have synthesized LiMgF3 using the starting precursors LiF and MgF2 via solid state diffusion method. Now I am looking for some characterization to claim the desired product, as there is no...

09 February 2021 921 3 View

Can anyone suggest me broad host range fluorescence expression vectors for Gram-positive bacteria ?

Hi everyone, I am looking for fluorescence expression vectors for expression in gram-positive bacteria present in the skin microbiome. I need to tag them with a fluorescence marker and observe...

06 February 2021 2,566 4 View

Are the hyperspectral image datasets which are publicly available at ehu.eus website atmospherically and geometrically correct?

I've come across a couple of publicly available hyperspectral image datasets from the website http://www.ehu.eus/ccwintco/index.php/Hyperspectral_Remote_Sensing_Scenes Now, my concern is...

05 February 2021 3,550 1 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

How much cell pressure and back pressure should I apply to start for triaxial test for different types of soil?

We have recently purchased a triaxial test instrument (MATEST) for testing different types of soil. After installing software, we are facing a issue of saturation where the samples does not...

23 February 2021 7,194 4 View

ANCOVA controlling baseline in RCT - how to perform power analysis and sample size estimation?

Hi, I have a simple question. I am hoping to perform a power analysis/sample size estimation for an RCT. We will be controlling for baseline symptoms, and using post-treatment or change scores as...

19 February 2021 2,648 23 View

Nuances in the digital twin concept. Opinions?

Hello everyone, I am currently working on the state of the art of the digital twin concept, and after seeing the categorization made by Kritzinger, W. et al. (2018) [Digital Twin in...

14 February 2021 2,107 3 View

What will be the possible analysis plan for descriptive outcome?

Hi everyone I am busy with a Systematic review. Unfortunately, my protocol has been returned back because of my analysis plan that will not answer my question. Can you please advise on the...

02 February 2021 6,190 2 View

Are there any solutions for remote eye-tracking?

Since with the pandemic it doesn't look like we are going back to the lab soon, in my lab we were looking for solutions to conduct remote webcam-based eye-tracking. I've been looking at...

31 January 2021 7,315 5 View

How to extract protein after trizol RNA and back extraction of genomic DNA?

I have limited amount of samples, so I am trying to get RNA, DNA and protein from the same samples. I used Trizol reagent for RNA isolation, then use back extraction buffer for genomic DNA...

13 January 2021 1,566 2 View

Are most-recent papers of randomized clinical trials needed to conduct a legitimate meta-analysis?

Are most-recent papers of randomized clinical trials needed to conduct a legitimate meta-analysis or decades back will still provide optimum results?

28 December 2020 9,258 3 View

I want to use multilayer feedforward neural network with error backpropagation algorithm. I have just 30 years monthly rainfall data. Is this enough??

I am new to neural networks and want to apply multilayer feedforward neural network with error back propagation algorithm for the rainfall prediction. I have just monthly rainfall data of 30...

28 December 2020 9,755 4 View

Can language alter our perception of crime?

I am looking for any resources which may be useful in a study I am conducting on the impacts that language may have on our perception of crimes. I will be using headlines which convey a particular...

23 December 2020 8,713 6 View